CN114737897A - Floating shackle device - Google Patents
Floating shackle device Download PDFInfo
- Publication number
- CN114737897A CN114737897A CN202210348819.1A CN202210348819A CN114737897A CN 114737897 A CN114737897 A CN 114737897A CN 202210348819 A CN202210348819 A CN 202210348819A CN 114737897 A CN114737897 A CN 114737897A
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- Prior art keywords
- floating
- clamping
- rotating seat
- seat
- base
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
Abstract
The invention discloses a floating shackle device which at least comprises a base, a fixed clamping assembly, a floating clamping assembly and a driving assembly. Wherein the fixed clamping component is fixedly connected on the base. The floating clamping assembly comprises a rotating seat and a floating clamping piece connected to the rotating seat, the rotating seat is rotatably connected to the base, the floating clamping piece can move along the rotating axis direction of the rotating seat, and the floating clamping piece is limited by the limiting structure to enable the floating clamping piece and the rotating seat to be incapable of rotating relatively. The driving assembly is used for driving the rotating seat to rotate. The floating shackle device can reduce the damage of the threaded connection between the drill rod and the power head during shackle, and prolong the service life of the drill rod and the power head.
Description
Technical Field
The invention relates to the field of drilling machine equipment, in particular to a floating shackle device.
Background
In the field of the existing soil environment-friendly drilling machine, manual shackles (for unscrewing the drill rod and the power head) are mostly used between the drill rod and the power head, and the manual shackles mostly adopt pipe tongs to shackle, so that the shackle efficiency is low, and the pipe tongs are frequently slipped due to tight meshing of threads between the drill rod and the power head, so that the shackle action cannot be completed, and the field construction operation is influenced.
In order to reduce the slippage, people have begun to use the shackling apparatus to assist the shackling, and the conventional shackling apparatus generally includes two parts, namely a first clamping portion connected to the power head in a non-rotatable manner and a second clamping portion connected to the drill rod in a non-rotatable manner, wherein the first clamping portion and the second clamping portion can be relatively rotated under the driving of the driving member, so as to realize the shackling of the drill rod and the power head. However, because the drill rod and the power head are in threaded connection, the drill rod and the power head must move axially relative to each other when the drill rod and the power head rotate relative to each other, and the distance between the first clamping part and the second clamping part of the conventional shackle device is often relatively fixed, the drill rod and the power head are unscrewed in a hard disassembly mode when the conventional shackle device is disassembled, that is, the axial movement between the drill rod and the power head can be realized only by the clearance fit allowance of the shackle device or the deformation of the threaded connection between the drill rod and the power head, so that the damage of the threaded connection between the drill rod and the power head is caused for a long time before, and the service life of the drill rod or the power head is further influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a floating shackle device which can reduce the damage of a threaded connection part between a drill rod and a power head during shackle and prolong the service lives of the drill rod and the power head.
The purpose of the invention is realized by adopting the following technical scheme:
a floating shackle comprising:
a base;
the fixed clamping assembly is fixedly connected to the base;
the floating clamping assembly comprises a rotating seat and a floating clamping piece connected to the rotating seat, the rotating seat is rotatably connected to the base, the floating clamping piece can move along the rotating axis direction of the rotating seat, and the floating clamping piece is limited by a limiting structure so as to be incapable of rotating relative to the rotating seat;
and the driving assembly is used for driving the rotating seat to rotate.
Furthermore, the fixed clamping assembly comprises a fixed seat and a fixed clamping unit connected with the fixed seat, the fixed seat is fixedly connected with the base, a first accommodating hole is formed in the fixed seat, the central line of the first accommodating hole and the rotating axis of the rotating seat are located on the same straight line, the fixed clamping unit comprises two first hydraulic oil cylinders which are oppositely arranged along the radial direction of the first accommodating hole, a first clamping jaw is arranged at the movable end of each first hydraulic oil cylinder, and the first clamping jaw can extend out of the hole wall of the first accommodating hole.
Furthermore, the first clamping jaw is cylindrical, the axis of the first clamping jaw is perpendicular to the center line of the first accommodating hole, and a V-shaped groove is formed in the end face, far away from the first hydraulic oil cylinder, of the first clamping jaw.
Furthermore, the base is provided with a pair of semicircular openings along the direction of the rotation axis of the rotating seat, each semicircular opening is internally and fixedly provided with a semicircular guide sleeve, each semicircular guide sleeve is provided with a vertical plate sleeved with the inner wall of the corresponding semicircular opening and a transverse plate connected with the outer surface of the base, the vertical plate extends out of the opening and is positioned inside the base, the rotating seat is provided with a pair of semicircular guide openings along the direction of the rotation axis of the rotating seat, and the semicircular guide openings are correspondingly sleeved on the parts of the vertical plates positioned inside the base.
Furthermore, the limiting structure comprises a first guide shaft parallel to the rotation axis of the rotation seat, the cross section of the first guide shaft is polygonal or elliptical, and the floating clamping piece is in sliding fit with the first guide shaft.
Furthermore, limit structure includes two piece at least second guiding axles, the cross section of second guiding axle is circular, the clamping piece sliding fit that floats is in on the second guiding axle.
Further, the clamping piece that floats include float seat and with the unsteady clamping unit that the float seat is connected, float seat sliding fit is in on the second guiding axle, the second accommodation hole has been seted up on the float seat, the central line of second accommodation hole with the axis of rotation of rotating the seat is located same straight line, the clamping unit that floats includes the edge two hydraulic cylinders that the radial direction of second accommodation hole set up relatively, and the expansion end of every second hydraulic cylinder all is provided with the second jack catch, the second jack catch can be followed the pore wall of second accommodation hole stretches out.
Furthermore, the second jack catch is cylindrical, the axis of the second jack catch is perpendicular to the central line of the second accommodating hole, and a V-shaped groove is formed in the end face, far away from the second hydraulic cylinder, of the second jack catch.
Furthermore, an elastic piece is arranged on the second guide shaft, and the floating clamping piece is elastically connected with the rotating seat through the elastic piece.
Further, the driving assembly is a turnover oil cylinder, and two ends of the turnover oil cylinder are respectively hinged with the base and the rotating seat.
Compared with the prior art, the invention has the beneficial effects that: the floating clamping piece can move along the direction of the rotating axis of the rotating seat, so that the axial movement generated when the drill rod and the power head rotate relatively can be released, the hard disassembly of the drill rod and the power head is avoided, the damage to the threaded connection part of the drill rod and the power head is reduced, and the service lives of the drill rod and the power head are prolonged.
Drawings
FIG. 1 is a first perspective view of the floating shackle device of the present invention;
FIG. 2 is a second perspective view of the floating shackle device of the present invention;
FIG. 3 is a schematic view of a floating shackle device base of the present invention;
FIG. 4 is a schematic view of a floating shackle device retaining clamp assembly of the present invention;
figure 5 is a schematic view of a floating shackle device floating clamping assembly of the present invention.
In the figure: 1. a base; 11. a semicircular opening; 12. a semicircular guide sleeve; 121. a transverse plate; 122. a vertical plate; 21. a fixed seat; 211. a first accommodation hole; 221. a first hydraulic cylinder; 222. a first jaw; 31. a rotating seat; 311. a semicircular guide port; 321. a floating seat; 3211. a second accommodation hole; 3221. a second hydraulic cylinder; 3222. a second jaw; 4. a drive assembly; 5. an elastic member.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, a floating shackle provided by an embodiment of the present invention is shown, which includes at least a base 1, a fixed clamp assembly, a floating clamp assembly, and a drive assembly 4.
Wherein the fixed clamping component is fixedly connected on the base 1. The floating clamping assembly comprises a rotating seat 31 and a floating clamping piece connected to the rotating seat 31, the rotating seat 31 is rotatably connected to the base 1, the floating clamping piece can move along the rotating axis direction of the rotating seat 31, and the floating clamping piece is limited by a limiting structure to enable the floating clamping piece and the rotating seat 31 not to rotate relatively. The driving assembly 4 is used for driving the rotating seat 31 to rotate. Generally, the driving assembly 4 drives the rotating seat 31 to rotate by an angle of 0-30 °.
During the use, fixed centre gripping subassembly centre gripping unit head, the centre gripping subassembly centre gripping drilling rod that floats rotates seat 31 through drive assembly 4 drive for the centre gripping subassembly that floats rotates with fixed centre gripping subassembly relatively, thereby lets drilling rod and unit head rotate relatively, and then realizes breaking out.
In the process, the floating clamping piece is limited by the limiting structure so that the floating clamping piece cannot rotate relative to the rotating seat 31, and the fixed clamping component is fixedly connected to the base 1, so that the precondition that the drill rod and the power head can rotate relative to each other after being clamped is met; the floating clamping piece can move along the direction of the rotating axis of the rotating seat 31, so that the axial movement generated when the drill rod and the power head rotate relatively can be released, the hard disassembly of the drill rod and the power head is avoided, the damage to the threaded connection part of the drill rod and the power head is reduced, and the service lives of the drill rod and the power head are prolonged.
As a preferred embodiment, referring to fig. 1 and 4, the fixed clamping assembly includes a fixed seat 21 and a fixed clamping unit connected to the fixed seat 21, the fixed seat 21 is fixedly connected to the base 1, and the fixed seat 21 is provided with a first receiving hole 211, a center line of the first receiving hole 211 is located on the same straight line as a rotation axis of the rotating seat 31, the fixed clamping unit includes two first hydraulic cylinders 221 oppositely disposed along a radial direction of the first receiving hole 211, a movable end of each first hydraulic cylinder 221 is provided with a first clamping jaw 222, the first clamping jaw 222 is cylindrical, an axis of the first clamping jaw 222 is perpendicular to the center line of the first receiving hole 211, an end surface of the first clamping jaw 222 away from the first hydraulic cylinder 221 is provided with a V-shaped groove, and the first clamping jaw 222 can extend out from a hole wall of the first receiving hole 211. Specifically, the first accommodating hole 211 allows the power head to enter along the radial direction of the power head, so that a user can conveniently clamp the power head.
During the use, place the unit head in first accommodation hole 211, then two first hydraulic cylinder 221 that relative set up drive two first jack catchs 222 simultaneously and are close to each other to carry out the centre gripping to the unit head. The clamping power source is a hydraulic mode, so that larger clamping force can be realized, and the clamping and fixing effects are good. Moreover, the hydraulic drive clamping mode can realize unmanned operation (namely, the hydraulic oil is conveyed by remote control), and the hydraulic drive clamping mode is very convenient.
Preferably, referring to fig. 1-3, the base 1 is provided with a pair of semicircular openings 11 along a rotation axis direction of the rotating seat 31, a semicircular guide sleeve 12 is fixedly disposed in each semicircular opening 11, each semicircular guide sleeve 12 is provided with a vertical plate 122 sleeved with an inner wall of the corresponding semicircular opening 11 and a horizontal plate 121 connected with an outer surface of the base 1, the vertical plate 122 extends out of the opening and is located inside the base 1, the rotating seat 31 is provided with a pair of semicircular guide openings 311 along the rotation axis direction of the rotating seat 31, and the semicircular guide openings 311 are correspondingly sleeved on a portion of the vertical plate 122 located inside the base 1.
That is, in the present invention, the rotary seat 31 is actually rotatable by the cooperation of its own semicircular guide opening 311 and the vertical plate 122 of the semicircular guide sleeve 12. The semicircular guide sleeve 12 not only can provide a rotary guide function for the rotary seat 31, but also can realize the centering effect on the drill rod, i.e. the drill rod and the power head can be aligned along the axial direction, and the abrasion of the drill rod during the shackle or lock catch is reduced.
Preferably, the limiting structure comprises a first guide shaft parallel to the rotation axis of the rotating seat 31, the cross section of the first guide shaft is polygonal or oval (not shown), and the floating clamping piece is in sliding fit on the first guide shaft. The cross section of the first guide shaft is polygonal or elliptical, so that the floating clamping piece and the first guide shaft cannot rotate relatively. This is one embodiment of the limiting structure of the present invention.
Preferably, the limiting structure comprises at least two second guide shafts, the cross sections of the second guide shafts are circular, and the floating clamping pieces are in sliding fit with the second guide shafts. This is the second embodiment of the limiting structure of the present invention. In this embodiment, the at least two second guide shafts may make the floating clamp fit more reliably, and the circular cross-section may reduce the resistance of the floating clamp when sliding, reducing wear on the second guide shafts and wear on the threaded connection of the drill rod and the power head.
Preferably, referring to fig. 1-2 and fig. 5, the floating clamping member includes a floating seat 321 and a floating clamping unit connected to the floating seat 321, the floating seat 321 is slidably fitted on the second guide shaft, a second accommodating hole 3211 is formed in the floating seat 321, a center line of the second accommodating hole 3211 is aligned with a rotation axis of the rotating seat 31, the floating clamping unit includes two second hydraulic cylinders 3221 arranged opposite to each other in a radial direction of the second accommodating hole 3211, a second jaw 3222 is arranged at a movable end of each second hydraulic cylinder 3221, the second jaw 3222 is cylindrical, an axis of the second jaw 3222 is perpendicular to the center line of the second accommodating hole 3211, a V is arranged on an end surface of the second jaw 3222 away from the second hydraulic cylinder 3221, and the second jaw 3222 can protrude from a hole wall of the second accommodating hole 3211.
Similarly, in use, a drill rod is placed in the second receiving hole 3211, and then the two second rams 3222 are simultaneously driven by the two oppositely disposed hydraulic cylinders 3221 to move towards each other, thereby clamping the drill rod. The clamping power source is a hydraulic mode, so that larger clamping force can be realized, and the clamping and fixing effects are good. Moreover, the hydraulic drive clamping mode can realize unmanned operation (namely, the hydraulic oil is conveyed by remote control), and the hydraulic drive clamping mode is very convenient.
Preferably, referring to fig. 1, the second guide shaft is provided with an elastic member 5, and the floating clamping member is elastically connected with the rotating seat 31 through the elastic member 5. Specifically, the elastic member 5 may be a spring disposed at both sides of the floating holder. The floating clamping piece can have a reset function through the spring, and a user can use the floating clamping piece more conveniently.
Preferably, referring to fig. 1-2, the driving assembly 4 is a tilting cylinder, and two ends of the tilting cylinder are respectively hinged to the base 1 and the rotating seat 31. The floating shackle device of the invention has larger shackle torque by providing the rotating force of the rotating seat 31 through the overturning oil cylinder.
It should be noted that, when the floating shackle device of the present invention is used for shackle operation, the stroke of the overturning cylinder is between 0 ° and 30 °, so that the drill rod is required to be completely separated from the power head after shackle operation, which can be realized by repeated actions of the overturning cylinder, or by continuous rotation of the rotary power head.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A floating shackle device, comprising:
a base (1);
a fixed clamping assembly fixedly connected to the base (1);
the floating clamping assembly comprises a rotating seat (31) and a floating clamping piece connected to the rotating seat (31), the rotating seat (31) is rotatably connected to the base (1), the floating clamping piece can move along the direction of a rotating axis of the rotating seat (31), and the floating clamping piece is limited by a limiting structure so as to be incapable of rotating relative to the rotating seat (31);
the driving assembly (4) is used for driving the rotating seat (31) to rotate.
2. The floating shackle device as defined by claim 1, wherein: the fixed clamping assembly comprises a fixed seat (21) and a fixed clamping unit connected with the fixed seat (21), the fixed seat (21) is fixedly connected with the base (1), a first accommodating hole (211) is formed in the fixed seat (21), the center line of the first accommodating hole (211) and the rotation axis of the rotating seat (31) are located on the same straight line, the fixed clamping unit comprises two first hydraulic oil cylinders (221) which are oppositely arranged in the radial direction of the first accommodating hole (211), a first clamping jaw (222) is arranged at the movable end of each first hydraulic oil cylinder (221), and the first clamping jaw (222) can be extended out from the hole wall of the first accommodating hole (211).
3. The floating shackle device as defined by claim 2, wherein: the first clamping jaw (222) is cylindrical, the axis of the first clamping jaw (222) is perpendicular to the center line of the first accommodating hole (211), and a V-shaped groove is formed in the end face, away from the first hydraulic oil cylinder (221), of the first clamping jaw (222).
4. The floating shackle device as defined by claim 1, wherein: the base (1) is provided with a pair of semicircular openings (11) along the direction of a rotation axis of the rotating seat (31), each semicircular opening (11) is internally and fixedly provided with a semicircular guide sleeve (12), each semicircular guide sleeve (12) is provided with a vertical plate (122) sleeved with the inner wall of the corresponding semicircular opening (11) and a transverse plate (121) connected with the outer surface of the base (1), the vertical plate (122) extends out of the opening and is positioned inside the base (1), the rotating seat (31) is provided with a pair of semicircular guide openings (311) along the direction of the rotation axis of the rotating seat (31), and the semicircular guide openings (311) are correspondingly sleeved on the parts of the vertical plate (122) positioned inside the base (1).
5. The floating shackle device as defined by claim 1, wherein: the limiting structure comprises a first guide shaft parallel to the rotation axis of the rotation seat (31), the cross section of the first guide shaft is polygonal or elliptical, and the floating clamping piece is in sliding fit with the first guide shaft.
6. The floating shackle device as defined by claim 1, wherein: the limiting structure comprises at least two second guide shafts, the cross sections of the second guide shafts are circular, and the floating clamping pieces are in sliding fit with the second guide shafts.
7. The floating shackle device as defined by claim 6, wherein: the floating clamping piece comprises a floating seat (321) and a floating clamping unit connected with the floating seat (321), the floating seat (321) is in sliding fit with the second guide shaft, a second accommodating hole (3211) is formed in the floating seat (321), the center line of the second accommodating hole (3211) and the rotation axis of the rotating seat (31) are located on the same straight line, the floating clamping unit comprises two second hydraulic cylinders (3221) which are oppositely arranged in the radial direction of the second accommodating hole (3211), a second clamping claw (3222) is arranged at the movable end of each second hydraulic cylinder (3221), and the second clamping claws (3222) can be extended out of the hole wall of the second accommodating hole (3211).
8. The floating shackle device as defined by claim 7, wherein: the second clamping jaw (3222) is cylindrical, the axis of the second clamping jaw (3222) is perpendicular to the central line of the second accommodating hole (3211), and a V-shaped groove is formed in the end face, away from the second hydraulic oil cylinder (3221), of the second clamping jaw (3222).
9. The floating shackle device as defined by claim 6, wherein: and an elastic piece (5) is arranged on the second guide shaft, and the floating clamping piece is elastically connected with the rotating seat (31) through the elastic piece (5).
10. The floating shackle device as defined by claim 1, wherein: the driving assembly (4) is a turnover oil cylinder, and two ends of the turnover oil cylinder are respectively hinged with the base (1) and the rotating seat (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210348819.1A CN114737897B (en) | 2022-04-01 | 2022-04-01 | Floating shackle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210348819.1A CN114737897B (en) | 2022-04-01 | 2022-04-01 | Floating shackle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114737897A true CN114737897A (en) | 2022-07-12 |
| CN114737897B CN114737897B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210348819.1A Active CN114737897B (en) | 2022-04-01 | 2022-04-01 | Floating shackle device |
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| CN (1) | CN114737897B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059414A (en) * | 2022-08-17 | 2022-09-16 | 江苏盖亚环境科技股份有限公司 | Automatic change floating hydraulic clamping mechanism of gyration lifting formula |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132932A (en) * | 2013-03-14 | 2013-06-05 | 山西北方机械制造有限责任公司 | Screwing and fastening and shackling device used for drilling tool joint |
| CN103643908A (en) * | 2013-12-19 | 2014-03-19 | 中煤科工集团西安研究院有限公司 | Hydraulic break-out tongs with screw thread protection function |
| CN203729913U (en) * | 2014-03-18 | 2014-07-23 | 湖南科技大学 | Drill pipe clamp with floating function for automatic drilling machine |
| CN106121565A (en) * | 2016-08-30 | 2016-11-16 | 徐工集团工程机械有限公司 | Shackle device and rig |
| CN206290225U (en) * | 2016-11-08 | 2017-06-30 | 徐工集团工程机械有限公司 | A kind of multifunctional drill clamper |
| CN110761724A (en) * | 2019-12-02 | 2020-02-07 | 中国有色金属长沙勘察设计研究院有限公司 | Core sampling is centre gripping device of breaking out and core sampling rig for rig |
| CN112412364A (en) * | 2020-12-31 | 2021-02-26 | 无锡市安曼工程机械有限公司 | Floating type clamping shackle device |
| CN112610169A (en) * | 2020-12-02 | 2021-04-06 | 中煤科工集团西安研究院有限公司 | Three-clamping shackle unit for double-pipe drilling, drilling machine device and method |
-
2022
- 2022-04-01 CN CN202210348819.1A patent/CN114737897B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132932A (en) * | 2013-03-14 | 2013-06-05 | 山西北方机械制造有限责任公司 | Screwing and fastening and shackling device used for drilling tool joint |
| CN103643908A (en) * | 2013-12-19 | 2014-03-19 | 中煤科工集团西安研究院有限公司 | Hydraulic break-out tongs with screw thread protection function |
| CN203729913U (en) * | 2014-03-18 | 2014-07-23 | 湖南科技大学 | Drill pipe clamp with floating function for automatic drilling machine |
| CN106121565A (en) * | 2016-08-30 | 2016-11-16 | 徐工集团工程机械有限公司 | Shackle device and rig |
| CN206290225U (en) * | 2016-11-08 | 2017-06-30 | 徐工集团工程机械有限公司 | A kind of multifunctional drill clamper |
| CN110761724A (en) * | 2019-12-02 | 2020-02-07 | 中国有色金属长沙勘察设计研究院有限公司 | Core sampling is centre gripping device of breaking out and core sampling rig for rig |
| CN112610169A (en) * | 2020-12-02 | 2021-04-06 | 中煤科工集团西安研究院有限公司 | Three-clamping shackle unit for double-pipe drilling, drilling machine device and method |
| CN112412364A (en) * | 2020-12-31 | 2021-02-26 | 无锡市安曼工程机械有限公司 | Floating type clamping shackle device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059414A (en) * | 2022-08-17 | 2022-09-16 | 江苏盖亚环境科技股份有限公司 | Automatic change floating hydraulic clamping mechanism of gyration lifting formula |
| CN115059414B (en) * | 2022-08-17 | 2022-11-11 | 江苏盖亚环境科技股份有限公司 | Automatic change floating hydraulic clamping mechanism of gyration lifting formula |
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| Publication number | Publication date |
|---|---|
| CN114737897B (en) | 2023-09-19 |
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